AT288417B - Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak - Google Patents
Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von AmmoniakInfo
- Publication number
- AT288417B AT288417B AT252869A AT252869A AT288417B AT 288417 B AT288417 B AT 288417B AT 252869 A AT252869 A AT 252869A AT 252869 A AT252869 A AT 252869A AT 288417 B AT288417 B AT 288417B
- Authority
- AT
- Austria
- Prior art keywords
- urea
- ammonia
- synthesis
- production
- combination
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 229910021529 ammonia Inorganic materials 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/10—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds combined with the synthesis of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6803775.A NL156686B (nl) | 1968-03-16 | 1968-03-16 | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT288417B true AT288417B (de) | 1971-03-10 |
Family
ID=19803056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT252869A AT288417B (de) | 1968-03-16 | 1969-03-14 | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3674847A (enrdf_load_stackoverflow) |
| AT (1) | AT288417B (enrdf_load_stackoverflow) |
| BE (1) | BE729862A (enrdf_load_stackoverflow) |
| CH (1) | CH530379A (enrdf_load_stackoverflow) |
| DE (1) | DE1913121B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2004068A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1207923A (enrdf_load_stackoverflow) |
| NL (1) | NL156686B (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2049891C3 (de) * | 1969-10-15 | 1975-04-24 | Snam Progetti S.P.A., Mailand (Italien) | Verfahren zur Verbesserung der Ammoniumcarbamat-Zersetzung bei der Herstellung von Harnstoff |
| US3984469A (en) * | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
| US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
| IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
| US4235816A (en) * | 1979-03-08 | 1980-11-25 | Snamprogetti S.P.A. | Integrated ammonia-urea process |
| JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| US4869887A (en) * | 1987-10-30 | 1989-09-26 | Dijk Christiaan P Van | Integrated ammonia-urea process |
| US4988491A (en) * | 1989-04-11 | 1991-01-29 | Christiaan Van Dijk | Flexible integration of the production of ammonia and urea |
| DE102016203277A1 (de) | 2016-02-29 | 2017-08-31 | Thyssenkrupp Ag | Integrierte Synthese von Ammoniak und Harnstoff |
| EP3366645A1 (en) * | 2017-02-28 | 2018-08-29 | Casale Sa | Ammonia-urea integrated process and plant |
| DE102019208859A1 (de) | 2019-06-18 | 2020-12-24 | Skw Stickstoffwerke Piesteritz Gmbh | Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1487249A (fr) * | 1966-04-05 | 1967-06-30 | Inventa Ag | Procédé de fabrication de l'urée à partir de l'ammoniac et de l'anhydride carbonique |
| CH468356A (de) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
| FR1543872A (fr) * | 1966-11-11 | 1968-10-25 | Humphreys & Glasgow Ltd | Procédé de fabrication d'urée |
-
1968
- 1968-03-16 NL NL6803775.A patent/NL156686B/xx not_active IP Right Cessation
-
1969
- 1969-03-11 GB GB02737/69A patent/GB1207923A/en not_active Expired
- 1969-03-14 AT AT252869A patent/AT288417B/de not_active IP Right Cessation
- 1969-03-14 CH CH390169A patent/CH530379A/de not_active IP Right Cessation
- 1969-03-14 DE DE19691913121 patent/DE1913121B2/de not_active Withdrawn
- 1969-03-14 BE BE729862D patent/BE729862A/xx not_active IP Right Cessation
- 1969-03-14 FR FR6907385A patent/FR2004068A1/fr not_active Withdrawn
- 1969-03-17 US US807749A patent/US3674847A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2004068A1 (enrdf_load_stackoverflow) | 1969-11-21 |
| US3674847A (en) | 1972-07-04 |
| NL6803775A (enrdf_load_stackoverflow) | 1969-09-18 |
| NL156686B (nl) | 1978-05-16 |
| CH530379A (de) | 1972-11-15 |
| DE1913121B2 (de) | 1978-01-19 |
| GB1207923A (en) | 1970-10-07 |
| DE1913121A1 (de) | 1969-10-23 |
| BE729862A (enrdf_load_stackoverflow) | 1969-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH503781A (de) | Verfahren zur Herstellung von basischen Farbstoffen | |
| AT319965B (de) | Verfahren zu der Herstellung von Harnstoff | |
| AT288417B (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| CH498811A (de) | Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd | |
| CH517749A (de) | Verfahren zur Herstellung von e-Caprolactam | |
| CH502264A (de) | Verfahren zur Herstellung von Ammoniumpolyphosphaten | |
| AT305313B (de) | Verfahren zur Herstellung von Ammoniak | |
| AT318648B (de) | Verfahren zur Herstellung von Harnstoff | |
| AT317910B (de) | Verfahren zur Herstellung von Harnstoff | |
| CH512444A (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| AT284138B (de) | Verfahren zur Herstellung von Harnstoff | |
| CH507916A (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| CH537400A (de) | Verfahren zur Herstellung von Harnstoffderivaten | |
| AT288418B (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| AT290545B (de) | Verfahren zur Herstellung von Harnstoff mit niedrigem Carbamatgehalt | |
| AT256865B (de) | Verfahren zur Herstellung von Harnstoff | |
| CH535272A (de) | Verfahren zur Herstellung von Harnstoff-Formaldehyd-Schaumstoffen | |
| CH454115A (de) | Verfahren zur Herstellung von Harnstoff | |
| AT247361B (de) | Verfahren zur Herstellung von Harnstoff mit niedrigem Biuretgehalt | |
| AT303093B (de) | Verfahren zur Herstellung von gekörnten Düngemitteln | |
| CH531407A (de) | Verfahren zur Nachbehandlung von Schaumkunststoffen | |
| AT317909B (de) | Verfahren zur Harnstofferzeugung aus Ammoniak und Kohlendioxyd | |
| CH471747A (de) | Verfahren zur synthetischen Gewinnung von Ammoniak | |
| AT290546B (de) | Verbessertes Verfahren zur Herstellung von granuliertem Harnstoff | |
| CH517659A (de) | Verfahren zur katalytischen Herstellung von Hydroxylammoniumsalzen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |